132687998 has 8 divisors (see below), whose sum is σ = 205452480. Its totient is φ = 64203840.

The previous prime is 132687979. The next prime is 132688019. The reversal of 132687998 is 899786231.

132687998 = 402² + 403² + ... + 773².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×132687998² = 35212209626496008, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070003 + ... + 1070126.

It is an arithmetic number, because the mean of its divisors is an integer number (25681560).

Almost surely, 2^132687998 is an apocalyptic number.

132687998 is a deficient number, since it is larger than the sum of its proper divisors (72764482).

132687998 is a wasteful number, since it uses less digits than its factorization.

132687998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140162.

The product of its digits is 1306368, while the sum is 53.

The square root of 132687998 is about 11519.0276499364. The cubic root of 132687998 is about 510.0474106892.

The spelling of 132687998 in words is "one hundred thirty-two million, six hundred eighty-seven thousand, nine hundred ninety-eight".